Site details

Overview

Estuary Powlett River Estuary
CMA West Gippsland CMA
Type Physico-Chemical
Site code Po2
Site name Site two (Mouth of Powlett Road Bridge)
Nearest road and town Mouth of Powlett Road, Dalyston
Description Ocean side of Mouth of Powlett Road Bridge, in between the 6th and 7th reflector when coming from the Kilcunda side of bridge (approx halfway).
Site access Head east along the Mouth of Powlett Road, park in the carpark located beside the Mouth of Powlett Bridge.
Land use
  • Native Bushland
  • Rural Grazing
Land use description This site is surrounded by submerged wetland (oceanside of bridge), saltmarsh (eastern bank on inland side of bridge) and a 5-10 metre revege site (western bank on inland side of bridge).
Status Active
Observation history 13-03-2010 - 10-12-2018

Map

Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU

Observations

Date 23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Observation #11753 #11838 #12006 #12093 #12142 #12187 #12197 #12191 #12199 #12266 #12320 #12424 #12468 #12585 #12584

Observation summaries

Turbidity NTU

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 3.1 1.2 0.2 1.4 0.1 0.3 6.6 12.0 10.4 57.2 7.3 2.3 4.4 2.9
Bottom 0.6 0.6 0.2 0.3 0.7 0.2 0.1 13.2 1.0 3.8 2.5 2.6 3.2 1.5

pH

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 7.6 7.7 7.2 7.4 7.2 7.5 7.3 7.1 7.4 6.8 8.1 8.1 7.8 8.8
Bottom 7.7 7.8 7.2 6.9 6.9 7.0 7.0 6.9 7.7 7.2 7.3 7.2 7.7 8.0

Temperature ° C

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 23.00 19.30 16.40 14.20 11.80 10.20 11.00 9.00 11.70 10.90 12.50 19.50 18.70 22.70
Bottom 21.60 18.70 16.00 14.30 14.70 14.60 14.70 12.90 12.10 12.20 12.80 15.00 16.00 18.50

Salinity ppt

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 35.10 37.80 33.50 3.30 14.90 15.20 10.20 5.40 33.40 1.40 2.20 5.20 5.20 0.10
Bottom 37.60 38.20 37.40 33.90 33.10 32.90 32.90 26.90 37.80 34.40 36.00 34.20 35.90 35.70

D.O. mg/L

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 6.06 6.66 6.21 8.32 8.17 9.03 10.25 8.54 7.55 9.18 9.03 10.40 11.77 20.00
Bottom 6.08 6.80 1.04 2.05 0.15 0.22 0.18 1.36 7.97 1.68 2.36 0.28 5.79 7.68

D.O. % Sat

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 86.40 90.10 77.00 83.00 83.00 88.40 99.00 76.50 85.50 84.00 85.70 116.00 132.00 300.00
Bottom 85.90 91.50 13.00 24.70 1.80 2.60 2.10 15.00 93.80 19.50 27.90 3.50 73.00 101.00

Conductivity mS/cm

23-01-2018 21-02-2018 27-04-2018 25-05-2018 13-06-2018 18-06-2018 19-06-2018 20-06-2018 18-07-2018 13-08-2018 27-09-2018 25-10-2018 16-11-2018 10-12-2018
Top 53.20 56.78 51.08 5.90 24.57 25.11 17.30 9.56 50.87 2.68 4.12 9.24 9.23 0.19
Bottom 56.54 57.34 56.33 51.39 50.47 50.19 50.26 41.75 56.82 52.30 54.47 52.06 54.35 53.90
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